MK - Plaza restaurant: veggie sandwich with sweet potato chips
AK - Tusker House: everything vegetarian on the buffet
Epcot - so many to choose - Marrakesh: vegetarian coucous, side of hummus (not on menu but you can ask for it) or Chefs de France: wild mushroom flatbread with goat cheese salad
MGM/DHS: any pasta at Mama Melrose